Home / 7,835.13-10,812.50-4,298.37

Finding the Fourth Proportional to 7,835.13, 10,812.50 and 4,298.37

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Solution

The fourth proportional to 7,835.13, 10,812.50 and 4,298.37 is: 5,931.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.13 : 10,812.50 = 4,298.37 : x
  2. Step 2: Convert to fraction form
    7,835.13/10,812.50 = 4,298.37/x
  3. Step 3: Cross multiply
    7,835.13x = 10,812.50 × 4,298.37
  4. Step 4: Simplify right side
    7,835.13x = 46,476,104.13
  5. Step 5: Solve for x
    x = 46,476,104.13/7,835.13
  6. Step 6: Final answer
    x = 5,931.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.